CN103423020B - Heat recovery system - Google Patents
Heat recovery system Download PDFInfo
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- CN103423020B CN103423020B CN201310344658.XA CN201310344658A CN103423020B CN 103423020 B CN103423020 B CN 103423020B CN 201310344658 A CN201310344658 A CN 201310344658A CN 103423020 B CN103423020 B CN 103423020B
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- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 124
- 238000007906 compression Methods 0.000 claims abstract description 124
- 239000011253 protective coating Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 43
- 239000000446 fuel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
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Abstract
The present invention relates to a kind of heat recovery system, comprise compression cylinder, acting cylinder and heat exchanger, feature is: described heat exchanger arranges thermal source inlet, thermal source outlet, working gas entrance and working gas outlet, compression cylinder is arranged compression cylinder suction port and compression cylinder relief opening, at compression cylinder suction port and compression cylinder relief opening, compression cylinder air intake valve and compression cylinder drain tap are set respectively, acting cylinder is arranged acting cylinder air inlet and acting cylinder exhaust port, at acting cylinder air inlet and acting cylinder exhaust port, acting cylinder intake valve and acting cylinder exhaust valve are set respectively, described compression cylinder relief opening is communicated with the working gas entrance of heat exchanger by the first connecting pipeline, and the working gas outlet of heat exchanger is communicated with acting cylinder air inlet by the second connecting pipeline.The present invention can effectively utilize a part of thermal power transfer be not utilized of various heat engine to be mechanical energy, thus promotes the efficiency of original heat engine.
Description
Technical field
The present invention relates to a kind of heat recovery system, especially one can be applicable on the means of transportation such as sea, land and sky, and the thermal power transfer of self-heat power is the heat engine of mechanical energy in the future effectively.
Background technique
Traditional heat engine is by a certain or pluralities of fuel of burning, and fuel discharges heat energy, and these heat energy parts utilize by heat engine, then by the mechanical motion of component, this part Energy Transfer is become mechanical energy to the external world, realizes the conversion of heat energy to mechanical energy.Be transferred to the ratio that this extraneous part energy accounts for the energy of fuel own and be called this kind of heat engine to the efficiency of Energy harvesting.
For many years, heat engine expert have passed the research of various technology, improve the efficiency that heat engine power utilizes, to show on internal-combustion engine us it is seen that by the application of various technology, as adopted supercharging, charge inter cooling, multi-stage booster, fuel-injection pressure improves, burning center of gravity shifts to an earlier date, pressure of explosion puies forward high-technology, the reduction of engine fuel consumption rate, the thermal efficiency of internal-combustion engine is progressively improved.
Meanwhile, heat engine expert finds, thermal power transfer is becoming in the process of mechanical energy by these heat engines, there is the loss of energy, and the ratio weight average of usual this energy loss accounts for a big chunk of fuel total energy.A lot of expert and technical research mechanism are all in consideration, and the part energy how these heat engines not obtained utilizing is recycled.As adopted heat-exchange device to mention heat from the waste gas or waste water of motor, add hot air and heating, or by complicated mechanism, by waste-heat power generation, drive the technology such as operation of air conditioner cooling.Energy had been mentioned, the actual efficiency improving the Energy harvesting of this kind of heat engine owing to originally not utilizing in energy from heat engine.
Summary of the invention
The invention provides a kind of heat recovery system, the portion of energy that various heat engine is not utilized can be utilized, convert part energy wherein to mechanical energy, promote the efficiency of original heat engine.
According to technological scheme provided by the invention, a kind of heat recovery system, comprise compression cylinder, acting cylinder and heat exchanger, feature is: described heat exchanger is at least arranged a thermal source inlet, a thermal source outlet, a working gas entrance and a working gas outlet, compression cylinder is at least arranged a compression cylinder suction port and a compression cylinder relief opening, at compression cylinder suction port and compression cylinder relief opening, compression cylinder air intake valve and compression cylinder drain tap are set respectively, acting cylinder is at least arranged an acting cylinder air inlet and an acting cylinder exhaust port, at acting cylinder air inlet and acting cylinder exhaust port, acting cylinder intake valve and acting cylinder exhaust valve are set respectively, described compression cylinder suction port is connected with air inlet pipeline, compression cylinder relief opening is communicated with the working gas entrance of heat exchanger by the first connecting pipeline, the working gas outlet of heat exchanger is communicated with acting cylinder air inlet by the second connecting pipeline, and acting cylinder exhaust port is connected with gas exhaust piping.
The compression cylinder piston that described compression cylinder comprises compression cylinder cylinder sleeve, compression cylinder cylinder cap and is arranged in compression cylinder cylinder sleeve, compression cylinder piston is connected with compression cylinder connecting rod, and the end of compression cylinder connecting rod connects compression cylinder bent axle.
The acting cylinder piston that described acting cylinder comprises acting cylinder liner, acting cylinder head and is arranged in acting cylinder liner, acting cylinder piston is connected with acting air cylinder connecting rod, and the end of acting air cylinder connecting rod connects acting cylinder bent axle.
On the surface of the madial wall of described compression cylinder cylinder sleeve, the internal surface of compression cylinder cylinder cap and compression cylinder piston, thermal-protective coating is set.
On the surface of the madial wall of described acting cylinder liner, the internal surface of acting cylinder head and acting cylinder piston, thermal-protective coating is set.
At the working gas entrance of described heat exchanger and working gas outlet, the first valve and the second valve are set respectively.
The present invention can utilize the part energy be not utilized of various heat engine, converts part energy wherein to mechanical energy, promotes the efficiency of original heat engine; The present invention does not need direct consume fuel, only need mention energy from waste gas or other remaining thermals source, thus exports mechanical work, is device that is very energy-conservation and environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of compression cylinder aspirating stroke of the present invention.
Fig. 3 is the schematic diagram of compression cylinder compression stroke of the present invention.
The schematic diagram that when Fig. 4 is compression cylinder compression stroke of the present invention, compression cylinder drain tap is opened.
Fig. 5 is the schematic diagram of acting cylinder expansion stroke of the present invention.
Fig. 6 is the schematic diagram of acting cylinder exhaust stroke of the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1: described heat recovery system comprises compression cylinder 1, heat exchanger 2, acting cylinder 3, compression cylinder piston 11, compression cylinder cylinder sleeve 12, compression cylinder cylinder cap 13, compression cylinder air intake valve 14, compression cylinder drain tap 15, compression cylinder connecting rod 16, compression cylinder bent axle 17, thermal source inlet 21, thermal source outlet 22, working gas entrance 23, working gas outlet 24, first valve 25, second valve 26, acting cylinder piston 31, acting cylinder liner 32, acting cylinder head 33, acting cylinder intake valve 34, acting cylinder exhaust valve 35, acting air cylinder connecting rod 36, acting cylinder bent axle 37, air inlet pipeline 41, first connecting pipeline 42, second connecting pipeline 43, gas exhaust piping 44 etc.
As shown in Figure 1, the present invention includes compression cylinder 1, acting cylinder 3 and heat exchanger 2, heat exchanger 2 is at least arranged a thermal source inlet 21, a thermal source outlet 22, a working gas entrance 23 and a working gas outlet 24, compression cylinder 1 is at least arranged a compression cylinder suction port and a compression cylinder relief opening, at compression cylinder suction port and compression cylinder relief opening, compression cylinder air intake valve 14 and compression cylinder drain tap 15 are set respectively, acting cylinder 3 is at least arranged an acting cylinder air inlet and an acting cylinder exhaust port, at acting cylinder air inlet and acting cylinder exhaust port, acting cylinder intake valve 34 and acting cylinder exhaust valve 35 are set respectively, described compression cylinder suction port is connected with air inlet pipeline 41, compression cylinder relief opening is communicated with the working gas entrance 23 of heat exchanger 2 by the first connecting pipeline 42, the working gas outlet 24 of heat exchanger 2 is communicated with acting cylinder air inlet by the second connecting pipeline 43, and acting cylinder exhaust port is connected with gas exhaust piping 44,
The compression cylinder piston 11 that described compression cylinder 1 comprises compression cylinder cylinder sleeve 12, compression cylinder cylinder cap 13 and is arranged in compression cylinder cylinder sleeve 12, compression cylinder piston 11 is connected with compression cylinder connecting rod 16, and the end of compression cylinder connecting rod 16 connects compression cylinder bent axle 17; The to-and-fro motion of described compression cylinder piston 11 causes the continuous change of compression cylinder 1 volume, and compression cylinder connecting rod 16 and the compression cylinder bent axle 17 be connected with compression cylinder connecting rod 16 complete the transmission of merit between compression cylinder 1 and the external world; The opening and closing of compression cylinder air intake valve 14 and compression cylinder drain tap 15 determine compression cylinder 1 and air inlet pipeline 41 and and heat exchanger 2 between the connected relation of the first connecting pipeline 42;
The acting cylinder piston 31 that described acting cylinder 3 comprises acting cylinder liner 32, acting cylinder head 33 and is arranged in acting cylinder liner 32, acting cylinder piston 31 is connected with acting air cylinder connecting rod 36, and the end of acting air cylinder connecting rod 36 connects acting cylinder bent axle 37; The to-and-fro motion of described acting cylinder piston 31 causes doing work the continuous change of cylinder 3 volume, acting air cylinder connecting rod 36 and be attached thereto the transmission that the acting cylinder bent axle 37 connect completes merit between acting cylinder 3 and the external world; The unlatching of acting cylinder intake valve 34 and acting cylinder exhaust valve 35 or close determines the connected relation between acting cylinder 3 and gas exhaust piping 44 and the second connecting pipeline 43 of being connected with heat exchanger 2;
Thermal-protective coating is set on the surface of the madial wall of described compression cylinder cylinder sleeve 12, the internal surface of compression cylinder cylinder cap 13 and compression cylinder piston 11, thermal-protective coating is set on the surface of the madial wall of described acting cylinder liner 32, the internal surface of acting cylinder head 33 and acting cylinder piston 31;
At the working gas entrance 23 of described heat exchanger 2 and working gas outlet 24, the first valve 25 and the second valve 26 is set respectively, the opening and closing moment of the first valve 25 and the second valve 26 can accurately control in real time, thus regulates the quality of working gas in heat exchanger 2, pressure and temperature;
The tail gas that the high temperature refrigerant of described heat exchanger 2 can use motor to discharge, cryogenic fluid is the gas that compression cylinder 1 is discharged, and after being heated to certain state, enters acting cylinder 3 in the specific moment in heat exchanger 2.
Main operational principle of the present invention is: air or the gas after overcompression (claiming working gas afterwards) enter compression cylinder, after being compressed in compression cylinder, the valve connecting compression cylinder and heat exchanger entrance is opened in good time, and working gas enters heat exchanger late gate and closes; Heat exchanger uses external heat source to provide heat; After working gas is sufficiently heated, connect heat exchanger outlet and open with the valve of acting cylinder in good time, working gas enters acting cylinder, valve closing; Working gas is expansion work in acting cylinder, becomes mechanical energy to export thermal power transfer.
Opening and closing moment of compression cylinder air intake valve 14, compression cylinder drain tap 15, acting cylinder intake valve 34 and acting cylinder exhaust valve 35 can accurate regulating and controlling, and the working procedure of whole system is as follows:
Aspirating stroke: as shown in Figure 2, compression cylinder piston 11 is from topmost to running bottom, the volume of compression cylinder 1 increases gradually, working gas is inhaled into compression cylinder 1 by compression cylinder air intake valve 14, now compression cylinder air intake valve 14 is in opening state, and compression cylinder drain tap 15 is in closed condition; Working gas enters compression cylinder after caning be passed through supercharging or supercharging cooling again, and the gas one relatively like this with elevated pressures sends into compression cylinder 1;
Compression stroke: as shown in Figure 3, compression cylinder piston 11 is from running to the top bottom, and compression cylinder 1 volume reduces gradually, and now compression cylinder air intake valve 14 and compression cylinder drain tap 15 are all in closed condition, and working gas is compressed; The pressure of working gas rises along with the reduction of compression cylinder 1 volume, and in the suitable moment in compression stroke later stage, compression cylinder drain tap 15 is opened; As shown in Figure 4, working gas discharges compression cylinder 1 by compression cylinder drain tap 15, and the working gas entrance 23 through the first connecting pipeline 42 and heat exchanger 2 enters heat exchanger 2;
Heating process: working gas is heated in heat exchanger 2, temperature raises, and pressure raises, and now compression cylinder drain tap 15 is closed, and acting cylinder intake valve 34 is also in closed condition;
Expansion stroke: as shown in Figure 5, acting cylinder intake valve 34 is opened, acting cylinder exhaust valve 35 is closed, the gas being heated to uniform temperature and pressure in heat exchanger 2 flows rapidly into by the second connecting pipeline 43 and the cylinder intake valve 34 that does work the cylinder 3 that does work, promote acting cylinder piston 31 from topmost to moving bottom, and realize external output work by acting air cylinder connecting rod 36 and bent axle 37;
Exhaust stroke: as shown in Figure 6, acting cylinder intake valve 34 is closed, acting cylinder exhaust valve 35 is opened, acting cylinder bent axle 37 is due to the inertia continuation rotation of flywheel, acting cylinder piston 31 is from moving to the top bottom under the driving of acting air cylinder connecting rod 36, and working gas discharges from acting cylinder exhaust valve 35 cylinder 3 that does work under the promotion of acting cylinder piston 31.
The most obvious two features of the present invention are: one is heat recovery system of the present invention is not limited to waste gas that motor discharges and carrys out heated air by utilizing as the hot-fluid of heat exchanger, makes it expand and directly promotes piston acting; Two is the suctions completing gas respectively in two cylinders, and---compression---expansion work---exhaust process can enter with the quality of working gas in outflow heat exchanger by which better adjustment to regulate the stress level of heat exchange duct.
Compression cylinder and acting cylinder are separately to make working gas fully heat exchange in a heat exchanger, extending heat-exchange time by the present invention.
Before entering acting cylinder, the pressure of the working gas in heat exchanger should maintain a higher level, the opening/closing time controllable adjustable of valve, particularly regulates to allow working gas carry out just making expansion.In order to reduce heat loss, the pipeline that internal combustion engine exhaust system pipeline and working gas flow through needs wrapping.
Motor and heat recovery system of the present invention can share an engine body, wherein arrange the cylinder of same size, and the piston in cylinder completes the stroke of equal length.We it is also conceivable to, even if heat engine and motor share an engine body, but the stroke of the diameter of heat engine cylinder or its piston can slightly different from motor.
Claims (5)
1. a heat recovery system, comprise compression cylinder (1), acting cylinder (3) and heat exchanger (2), it is characterized in that: described heat exchanger (2) is at least arranged a thermal source inlet (21), a thermal source outlet (22), a working gas entrance (23) and working gas outlet (24), compression cylinder (1) is at least arranged a compression cylinder suction port and a compression cylinder relief opening, at compression cylinder suction port and compression cylinder relief opening, compression cylinder air intake valve (14) and compression cylinder drain tap (15) are set respectively, acting cylinder (3) is at least arranged an acting cylinder air inlet and an acting cylinder exhaust port, at acting cylinder air inlet and acting cylinder exhaust port, acting cylinder intake valve (34) and acting cylinder exhaust valve (35) are set respectively, described compression cylinder suction port is connected with air inlet pipeline (41), compression cylinder relief opening is communicated with the working gas entrance (23) of heat exchanger (2) by the first connecting pipeline (42), working gas outlet (24) of heat exchanger (2) is communicated with acting cylinder air inlet by the second connecting pipeline (43), and acting cylinder exhaust port is connected with gas exhaust piping (44), at the working gas entrance (23) of described heat exchanger (2) and working gas outlet (24), the first valve (25) and the second valve (26) are set respectively.
2. heat recovery system as claimed in claim 1, it is characterized in that: the compression cylinder piston (11) that described compression cylinder (1) comprises compression cylinder cylinder sleeve (12), compression cylinder cylinder cap (13) and is arranged in compression cylinder cylinder sleeve (12), compression cylinder piston (11) is connected with compression cylinder connecting rod (16), and the end of compression cylinder connecting rod (16) connects compression cylinder bent axle (17).
3. heat recovery system as claimed in claim 1, it is characterized in that: the acting cylinder piston (31) that described acting cylinder (3) comprises acting cylinder liner (32), acting cylinder head (33) and is arranged in acting cylinder liner (32), acting cylinder piston (31) is connected with acting air cylinder connecting rod (36), and the end of acting air cylinder connecting rod (36) connects acting cylinder bent axle (37).
4. heat recovery system as claimed in claim 2, is characterized in that: arrange thermal-protective coating on the surface of the madial wall of described compression cylinder cylinder sleeve (12), the internal surface of compression cylinder cylinder cap (13) and compression cylinder piston (11).
5. heat recovery system as claimed in claim 3, is characterized in that: arrange thermal-protective coating on the surface of the madial wall of described acting cylinder liner (32), the internal surface of acting cylinder head (33) and the cylinder piston (31) that does work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310344658.XA CN103423020B (en) | 2013-08-08 | 2013-08-08 | Heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310344658.XA CN103423020B (en) | 2013-08-08 | 2013-08-08 | Heat recovery system |
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| Publication Number | Publication Date |
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| CN103423020A CN103423020A (en) | 2013-12-04 |
| CN103423020B true CN103423020B (en) | 2016-04-13 |
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| CN201310344658.XA Active CN103423020B (en) | 2013-08-08 | 2013-08-08 | Heat recovery system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925110B (en) * | 2014-04-30 | 2015-11-04 | 郭远军 | A kind of V-type high low pressure power equipment and work method thereof |
| CN105927379A (en) * | 2015-03-01 | 2016-09-07 | 吴小平 | Seasonal differential adiabatic piston internal combustion engine technology and manufactured internal combustion engine thereby |
| CN104989523B (en) * | 2015-08-03 | 2018-02-27 | 湖州新奥利吸附材料有限公司 | A kind of internal combustion engine |
| CN112888266A (en) * | 2021-02-04 | 2021-06-01 | 陈元友 | Heat dissipation anti-interference electric apparatus instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6484501B1 (en) * | 1998-02-03 | 2002-11-26 | Miturbo Umwelttechnik Gmbh & Co. Kg | Method of heat transformation for generating heating media with operationally necessary temperature from partly cold and partly hot heat loss of liquid-cooled internal combustion piston engines and device for executing the method |
| CN1508417A (en) * | 2002-12-14 | 2004-06-30 | 柴文龙 | Two-way cylcle internal combustion engine |
| CN102748159A (en) * | 2011-06-20 | 2012-10-24 | 摩尔动力(北京)技术股份有限公司 | Scavenging double-working-medium continuous combustion chamber piston thermal power system |
| CN203441626U (en) * | 2013-08-08 | 2014-02-19 | 中国第一汽车股份有限公司 | Heat recovery system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283699A (en) * | 2005-04-01 | 2006-10-19 | Toyota Motor Corp | Heat energy recovery device |
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- 2013-08-08 CN CN201310344658.XA patent/CN103423020B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6484501B1 (en) * | 1998-02-03 | 2002-11-26 | Miturbo Umwelttechnik Gmbh & Co. Kg | Method of heat transformation for generating heating media with operationally necessary temperature from partly cold and partly hot heat loss of liquid-cooled internal combustion piston engines and device for executing the method |
| CN1508417A (en) * | 2002-12-14 | 2004-06-30 | 柴文龙 | Two-way cylcle internal combustion engine |
| CN102748159A (en) * | 2011-06-20 | 2012-10-24 | 摩尔动力(北京)技术股份有限公司 | Scavenging double-working-medium continuous combustion chamber piston thermal power system |
| CN203441626U (en) * | 2013-08-08 | 2014-02-19 | 中国第一汽车股份有限公司 | Heat recovery system |
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| CN103423020A (en) | 2013-12-04 |
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Effective date of registration: 20231227 Address after: No.1, xinhongqi street, automobile economic and Technological Development Zone, Changchun, Jilin Province Patentee after: China Faw Co.,Ltd. Patentee after: CHANGCHUN AUTOMOTIVE TEST CENTER Co.,Ltd. Address before: 130011 2259 Dongfeng Street, Xinxin economic and Technological Development Zone, Changchun, Jilin Patentee before: China Faw Co.,Ltd. |